77990987 is an odd 8-digits prime number following 77990986
and preceding 77990988 . In scientific notation, it is written as 7.7990987 × 10^7.
The sum of its digits is 56. It has a total of 1 prime factors and 2 positive divisors.
There are 77990986 positive integers (up to 77990987) that are relatively prime to 77990987.
77990987 has 2 divisors, whose sum is 77990988
The reverse of 77990987 is 78909977
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 56 Digital Root 2
Name
seventy-seven million nine hundred ninety thousand nine hundred eighty-seven
Scientific notation
7.7990987 × 10^7
Engineering notation
7.7990987 × 10^6
Prime Factorization
77990987
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
77990987 Product of the distinct prime numbers
The prime factorization of 77990987 is 77990987.
Since it has a total of 1 prime factors.
6 , 5 , 27 , 83 , 963 , 194 , 6033 , 6545 , 17836 , 75855 , 685514 , 830800 , 5313803 , 6742759 , 71159403 , 37686948 , 13959772 , 718677726 , 5283890066 , 3421190793
n×2
155981974
n×3
233972961
n×4
311963948
n×5
389954935
n÷2
38995493.5
n÷3
25996995.666667
n÷3
19497746.75
n÷5
15598197.4
n2
6082594053234169
n3
4.7438751373206E+23
n4
3.699795041644E+31
n5
2.8855066699552E+39
2 √n8831.2505909412
3 √n427.24941049626
4 √n93.974733790212
5 √n37.879905187281
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
77990988 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
38995494 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8831.2506475584 Returns the nth root of the product of n divisors
H Harmonic Mean
1.999999974356 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 77990987 can be divided by 2 positive divisors.
The sum of these divisors (counting 77990987) is 77990988, the average is 38995494.
Base
System
Value
2
Binary
100101001100000110001001011
3
Ternary
12102202100112002
4
Quaternary
10221200301023
5
Quinary
124431202422
6
Senary
11423341215
8
Octal
451406113
10
Decimal
77990987
12
Duodecimal
2215180b
16
Hexadecimal
4a60c4b
20
Vigesimal
1478h97
36
Base36
1afm8b
md5
c20bd68790904ee064f71dc407690fd7
sha1
4fbd90d5fdff11d99f897e6e64f569c18cc4296c
sha256
d2a775c720dc995fe1be23ca7f787b49beaa786c477837c9bee9cf63a6312617
sha512
8d712c93901e7e263b83c446455ff99e0e577d43c3b9a5ce00a66e5171351958f7645536251e7cd7eae6d902a4fb800eae32e2f93cd6d7b7adf2734049edbb2b
ripemd-160
f1ef4d15d6aaa2c4b0bd3870598520b27fbae0f6
Diameter
155981974
Circumference
490031823.61083
Area
1.9109032792409E+16
Volume
1.9871097707938E+24
Surface area
7.6436131169638E+16
Circumference
490031823.61083
Perimeter
311963948
Area
6082594053234169
Diagonal
110295911.55826
Surface area
36495564319405014
Volume
4.7438751373206E+23
Space diagonal
135084352.01644
Perimeter
233972961
Area
2.6338404855045E+15
Altitude
67542176.008222
Surface area
2.6338404855045E+15
Volume
5.5907104645028E+22
Height
36765303.852755